1#!/bin/ksh -p 2# 3# CDDL HEADER START 4# 5# The contents of this file are subject to the terms of the 6# Common Development and Distribution License (the "License"). 7# You may not use this file except in compliance with the License. 8# 9# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10# or https://opensource.org/licenses/CDDL-1.0. 11# See the License for the specific language governing permissions 12# and limitations under the License. 13# 14# When distributing Covered Code, include this CDDL HEADER in each 15# file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16# If applicable, add the following below this CDDL HEADER, with the 17# fields enclosed by brackets "[]" replaced with your own identifying 18# information: Portions Copyright [yyyy] [name of copyright owner] 19# 20# CDDL HEADER END 21# 22 23# 24# Copyright (c) 2022 by Triad National Security, LCC 25# 26 27. $STF_SUITE/include/libtest.shlib 28 29# 30# DESCRIPTION: 31# Tests file offset using O_APPEND. 32# 33# STRATEGY: 34# 1. Open file using O_APPEND 35# 2. Write to the file using random number of blocks (1, 2, or 3) 36# 3. Verify that the file offset is correct using lseek after the write 37# 4. Repeat steps 2 and 3, 5 times 38# 5. Close the file. 39# 6. Repeat steps 1-5 but also open file with O_DIRECT 40# 41 42verify_runnable "global" 43 44log_assert "Ensure file offset is updated correctly when opened with O_APPEND" 45 46mntpt=$(get_prop mountpoint $TESTPOOL/$TESTFS) 47filename=$mntpt/append_file.txt 48bs=131072 49ITERATIONS=5 50expected=0 51 52# First test using buffered writes with O_APPEND 53for i in $(seq $ITERATIONS); do 54 num_blocks=$(random_int_between 1 3) 55 expected=$((expected + ( bs * num_blocks))) 56 log_must file_append -f $filename -e $expected -b $bs -n $num_blocks 57 curr_offset=$expected 58done 59 60log_must rm -f $filename 61 62expected=0 63 64# Repeat same test using O_DIRECT writes with O_APPEND 65for i in $(seq $ITERATIONS); do 66 num_blocks=$(random_int_between 1 3) 67 expected=$((expected + ( bs * num_blocks))) 68 log_must file_append -f $filename -e $expected -b $bs -n $num_blocks -d 69done 70 71log_must rm -f $filename 72 73log_pass "File offset updated correctly when opening a file with O_APPEND." 74